File list (Check if you may need any files):
lession_3.huaban
................\.classpath
................\.project
................\.settings
................\.........\org.eclipse.jdt.core.prefs
................\AndroidManifest.xml
................\assets
................\bin
................\...\AndroidManifest.xml
................\...\classes
................\...\.......\lession_3
................\...\.......\.........\huaban
................\...\.......\.........\......\BuildConfig.class
................\...\.......\.........\......\HuaBan.class
................\...\.......\.........\......\MainActivity.class
................\...\.......\.........\......\R$attr.class
................\...\.......\.........\......\R$dimen.class
................\...\.......\.........\......\R$drawable.class
................\...\.......\.........\......\R$id.class
................\...\.......\.........\......\R$layout.class
................\...\.......\.........\......\R$menu.class
................\...\.......\.........\......\R$string.class
................\...\.......\.........\......\R$style.class
................\...\.......\.........\......\R.class
................\...\classes.dex
................\...\dexedLibs
................\...\.........\android-support-v4-0e7a1d6a6d70478cf756e8ec1cc98130.jar
................\...\jarlist.cache
................\...\lession_3.huaban.apk
................\...\res
................\...\...\drawable-hdpi
................\...\...\.............\ic_launcher.png
................\...\...\drawable-mdpi
................\...\...\.............\ic_launcher.png
................\...\...\drawable-xhdpi
................\...\...\..............\ic_launcher.png
................\...\...\drawable-xxhdpi
................\...\...\...............\ic_launcher.png
................\...\resources.ap_
................\gen
................\...\lession_3
................\...\.........\huaban
................\...\.........\......\BuildConfig.java
................\...\.........\......\R.java
................\ic_launcher-web.png
................\libs
................\....\android-support-v4.jar
................\proguard-project.txt
................\project.properties
................\res
................\...\drawable-hdpi
................\...\.............\ic_launcher.png
................\...\drawable-ldpi
................\...\drawable-mdpi
................\...\.............\ic_launcher.png
................\...\drawable-xhdpi
................\...\..............\ic_launcher.png
................\...\drawable-xxhdpi
................\...\...............\ic_launcher.png
................\...\layout
................\...\......\activity_main.xml
................\...\menu
................\...\....\main.xml
................\...\values
................\...\......\dimens.xml
................\...\......\strings.xml
................\...\......\styles.xml
................\...\values-sw600dp
................\...\..............\dimens.xml
................\...\values-sw720dp-land
................\...\...................\dimens.xml
................\...\values-v11
................\...\..........\styles.xml
................\...\values-v14
................\...\..........\styles.xml
................\src
................\...\lession_3
................\...\.........\huaban
................\...\.........\......\HuaBan.java
................\...\.........\......\MainActivity.java